), with virtually no risk of the bricks above moving. I've been quoted around £10k to deal with the crack and replace the lintel, this seems like a lot though and thought some advice from people with expereince here could let me know whether I. The lintel more than likely would have been a separate timber lintel, you can still see the bearings where it sat or it could have been part of the frame with 4x2 horns extending into the brickwork. It'll be ridiculously heavy. Screwfix Community Forum. The proper way is to remove chust the 'lintel' bricks first, clean up the slot, dampen, apply a bed of mortar where it'll be 'bearing', and slip in the concrete lintel. Fixing could either be bolted through the beam or strapping however it depends on load. We would like to show you a description here but the site won’t allow us. Architect has advised to use a box 200 lintel, but what are my options. Cut a slot with an angle grinder with diamond blade. Screwfix Community Forum. Builders Metalwork. 5-5 mm. If it's only 3 courses (9") would it not be prudent just to fit a upvc infill. KIAB Super Member. Most of the windows on the front of the home (though not all) have large gaps between the window and the steel lintel (up to 2. The first thing I noticed is maybe minor. Lintel. Write a review. If the wall seems intact then you do. Screwfix: Thousands of products at trade prices | FREE delivery available 7 days a week | FREE click & collect in as little as a minute | Hundreds of storesLintel. Think it's going to be fine for many years. I queried this and the builder says it is safe, but I am not sure. Don't use a disc cutter: you will fill the house with dust in nothing flat and SWMBO will get seriously stressed. That would be plenty to go under it and still leave you about 80 - 55mm of lintel to put the acrows onto. VAT) Supreme Prestressed Textured Concrete Lintel 100 x 100 x 1050 S10. And some on the lower floor if solid, would be a good idea with board spanning the floor joists at right angles. The lintel is above a first floor glazing opening which is floor to ceiling height and spans 3. It's not just a question of replacing the lintel either. #19. sospan, Feb 9, 2017. Hausfix, Sep 15, 2022. Would a 100 x 65 lintel be sufficient given that there is very little weight above or should I go bigger. 8m. Architect has advised to use a box 200 lintel, but what are my options. I going to go with CN71A (catnic), as it removes the need for two courses of bricks and is strong. On the ones without a steel lintel a roll of 18inch Hyload could be used to form a tray, or sometimes lead. I reckon the start of my opening will be 450mm away. CLEARANCE. Supreme L04 Steel Reinforced Concrete Lintel - 100 x 65 x 1500mm. This may also help with the heights because if an engineer can prove it, you may be able to get away with a beam on the internal skin along with the bottom plate. the other dimensions of it was 100*65, would this be strong enough. When I insert the lintel is it best to:-. Buy Structural Fixings at Screwfix. 2m. The distance from the internal lintel to front of bricks is 90mm. Lintels 44 products Compare Sort Sort Expamet Concrete Lintel, (W)100mm 7 options (3) £ 13. 2m) would mean that there would be some minimal loading on the pipe. S Builders New Member. Abrickie Screwfix Select. I would have said not to be concerned but the crack is also on the. As above r2eally , when installing insulated cavity lintels do i need to cover with dpm and have weep holes, seems a bit hit and miss from info ive found so im not sure if you need todo this or not. Self tapping screws into the lintel to create a strong fixing as the blinds are very heavy. Hi All, I was hoping someone may be able to shed some light on this one for me. Discussion in 'Builders' Talk. The bricks are 102mm, the lintol shelf is 96mm. It is possible to span 3 metres easily with the correct lintel. Steve, just so you know the theory of the concrete lintel. Aug 25, 2022. My solution would be to fit a Catnic lintel above the stone lintel that is a good 150mm wider each side, this would relive the weight off the broken stone lintel. I suppose option 2 makes it easier to get the lintel. 6m at the highest point in the centre of the garage. The fact that you have wooden lintels suggests that your house was constructed before WW2, in which case, it will have used lime mortar for the brickwork. Thanks We want to extend this opening from 46" to 55",I know I need a 1800 x 100 concrete lintel but not sure of what height I need,the 1 fitted is 65 mm many thanks. Delivery 7 days a week. That is some screws seem to make a sturdy fixing and others fall out, not griping into the lintel at all. 8m) Rather more than a rotten piece of timber strength of not much more than 0kN/m, with the. Home Forums > Screwfix Community Forum > Builders' Talk > Lintel into existing wall. I thought padstones were supposed to be slate or metal! Mr. Steve, just so you know the theory of the concrete lintel. It is quite normal to have the slight overhang, wider than 6mm if that's the way it works out. thanks for the advice about not needing a. Support bracket for removal of internal chimney breast. Install a single leaf lintel (Catnic, IG or Keystone lintels) with 150mm overhang each side. $172 11. I've uncovered the metal lintel (installed in 1990) and it looks pretty rusty. [Edited by: Forum Moderator] dj. Erbauer Straight Shank Ground HSS Drill Bits 12mm x 151mm 5 Pack (24565) (403) compare. Correct way to do this would be to use accrow props with stronboys. The lintel has the same width as the PVCu sliding door. So roughly speaking if I allow some room for the plaster etc I'd likely be able to drill above the lintel if I went in 100mm from the top of the window reveal as seen from the inside? yetanothermike, Jul 12, 2023. Problem is, the top side of the recess is basically a steel lintel covered with plasterboard, so I'm really not sure how to attach the mounting brackets as guessing screwing into steel is not going to work. stevie22 Screwfix Select. If i use a catnic lintel then you will be able to see the underside of the lintel rather than the stone head. Prestressed concrete lintels are an excellent solution in providing economical and robust masonry support over door. As far as I can tell the lintel is just a relatively thin metal sheet. The lintels do not extend far enough to the side of the doorways. Morning, Any suggestions for fitting brackets where a lintel is in place? I am touching the steel after 15, 20mm. PJ Wales Member. I managed to buy 2700mm long, 100mm by 150mm concrete lintels from my local builders merchant for my garage doors. Anyway it cost me £180 to have one installed and they used props to hold up brickwork. We are constructing a new concrete block double garage and the Architect has specified a Catnic lintol for the 3. Hi, I've been having some trouble drilling into a lintel above a couple of windows, I'm fitting new blinds. sospan Screwfix Select. This supports 2 seperate steel lintels. Has anyone heard of lintels sagging because of a. 2. if 1200mm or less, 100mm bearing is sufficient, if greater than 1200mm, 150mm minimum bearing required. My question is what is better a concrete lintel ( Supreme Concrete Prestressed Textured Concrete Lintel 65mm x 100mm) from travis perkins or a wooden lintel also from travis perkins ( Sawn Treated Timber Regularised C16/C24 75mm x 100mm x 3. You can stitch drill out half a brick quite easily and the lintel will then be resting on good solid brickwork. S Builders, Oct 12, 2008. Drilling into a lintel seems like a bad idea, what with it holding up the wall and everything. Although bearing in minds the contract and expansion isn't that much. Bob Rathbone Screwfix Select. Lintel with slope within the cavity 2. Remove loose paint and wire brush lintel, then dust down. The opening's been narrowed and shortened at some point in the past (I get the feeling this was done by a previous owner rather than a professional). This gives me a 200mm overlap on each end. The bricks under the lintol should be kept too the line. Use strong mortar (3:1) for bedding. I want to have this 4' hatch in a load bearing wall where the lintel is some 3' down from the ceiling. Area of load = 41m2. Use either lintel or angle iron between brackets. Support bracket for removal of internal chimney breast. Went to the merchants for a lintel yesterday, the bloke behind the counter said " how long do you want it ?" well . The roof is a tiled type goong front to rear and pitched in construction. Hi all, I have two non load bearing concrete blockwork walls. This was more common on brickwork that was n't seen, and obviously when it was seen, the more traditional decorative arch was used directly above the opening. There are timber lintels throughout. KBJ Active Member. Discussion in 'Builders' Talk' started by Lee Swain, Jan 10, 2022. Discussion in ' Builders' Talk ' started by Andrew De'ath, May 26, 2020 . And there is a wooden frame around the PVCu door frame. Hi Im running alarm cable to a door frame but there is a concrete lintel where above the door. Is a stressed concrete lintel suitable for this job (like a wide doorway)? Or should I put a steel section in there? Thanks. Hi gregz0012, yes you should be ok to remove the recent brickwork, years ago they built what they called a "builders opening" for fireplaces, and whatever form of fire was put in afterwards, they also used to put timber lintols in, so that arch was put there to relieve the weight of the chimney breast off the timber lintol, in fact i think they were/are called. So I need to replace it. The brickwork is sound apart from the section between the door and window. I am looking to put a concrete lintel above this which will support a single coarse of blocks and the flat roof. CGN, Oct 8, 2015. One wall I am removing between the kitchen and living room. So ref your other post about the steel, it has to carry. I was going to ensure each end of whatever lintel that I get is embedded in the wall by at least 150mm each side. Galvanised, mild steel. And some on the lower floor if solid, would be a good idea with board spanning the floor joists at right angles. From flat steel lintels to catnic steel lintels. You won't lose any internal floor area and having the thermal mass (ie brick wall and concrete slab) inside the insulation will make a big difference. HandyAndy - Really. I am using an SDS drill with 5mm drill bit. May be tricker if you have a 'soldier' brick. Walls approx 2. Bigger window and lintel replacement. Cut a few holes in the wall and slide in some needles and jack the needles across the upper edge of the opening - Next cut a timber the width and depth of the opening and jack it in place below the opening and whack out the rotten timber. I the house is 1950s all brickwork and I need to replace the lintels above the doors as there will not be a big enough overhang each side. S Builders New Member. Currently opened up my fireplace and installed a new lintel:910mm opening with a 1200mm lintel inserted is this sufficient enough also found that I have another older lintel above it one more also in the bedroom fireplace just a diyer so any help would be great thanksTong New Member. Any help here would be much appreciated. (2)Carefully slice the faces off your bricks with a 115mm diamond blade in a. Ordinalrily the membrane/cavity box slopes from the inner leaf down to the outer leaf above the lintel. One opening will need to support three floor joists at midspan. I am planning to purchase a semi detached property, which has got 2 concrete lintels inside the integral-garage which supports the wall above. Last edited: Aug 29, 2023. What lintel is on the outer skin? Or is it an arch. The new opening will give an unsupported width of 1m. I thought padstones were supposed to be slate or metal! Mr. Post-fixing concrete suitable for all types of domestic fencing. sagging. The outer leaf dropped and the frame distorted. Begin by drilling a shallow hole on low power before increasing the speed and engaging the hammer feature. 4 metres. Notnowvicar, Feb 23, 2023. Use a masonry bit to drill 3/4 holes in each brick that spans that joint and use a hammer and cold chisel to cut them. The wall plate is supporting to roof rafters as well as roof so there is some load. The overhang is approx 130mm each end - googled it and. I have exposed the internal side of the concrete lintel above my lounge window as I was adding insulation behind the plasterboard. Trying to put a plug in for a new fixing and getting refusal at 20mm. We supply trade quality DIY and home improvement products at great low pricesGot a quote for some french doors to replace a window a few months ago. I figure the lintel does not offer bearing to the bricks above. The dimensions he specified are a little awkward (225 x 100 x 75mm), and we would like to avoid having to stick a 600mm long lintel up there if we can get away with it. In the dining room we currently have a upvc window that is just over 1500 wide and we want to remove it to fit in some patio doors also 1500 wide. sospan Screwfix Select. Its hard not knowing what the gap between the plasterboard and brick is etc. Aaron Mcculla New Member. Remove loose paint and wire brush lintel, then dust down. This will be like trying to support a loadbearing wall on a folding steel rule. The window company said they can put a lintel in but just want to check as I dont want a concrete intel. So the ops 1. General mockupHi Guys I have a 100mm block wall internal load bearing which supports the joists only, all stud walls upstairs and all joist sit on the internal wall, my situation is I have an internal door & an opening next to the door divided by another 100mm wall at right angle which encases the oil boiler, total span off 2000mm but supported by a 4x3 wooden. Normal concrete should be OK . Everything else has gone fine so far and I don't want to walk away from a home. Once this is achieved, you can happily remove the brickwork below the new lintel. The actual overhang area of the lintel rests in has a greater height (a bricks worth of height). com. If they have been there for 15 years then I don't really see the problem. downstairs bay window frame is cracking and was also fitted on to loose brick work which the company just repointed . Compare. same width does nothingdifferent than bedding the. The part picture is the widest. . Use 75mm/3" screws, use a combination drill, a 6mm HSS twist drill bit to drill through the lintel, then a 6mm masonry bit or you may need a 6mm SDS bit with accompanying drill if the wall is concrete block as the normal masonry. (79 products) Builders metalwork consists of a number of metal products essential to a wide range of construction projects. I use a 4mm cobalt bit from the competition (you get a pack of two for a few pence). I saw three of the four lintels that the builder took out. So it is one of their lightweight ranges. 20 DeWalt Straight Shank Combination Drill Bit Set 23 Pieces (4635K)The lintel is above a first floor glazing opening which is floor to ceiling height and spans 3. Deleted member 33931, Mar 23, 2016. Hi, I'm in a predicament with what lintel to put above a garage door, im currently building a 5. When you use the key to unlock the door, if you leave the key in the lock and open the door the key hits on the lintel above and is prone to snap (as the carpenter found out). Good. 8m long to accommodate the other window. The old windows have no lintel, I read in the good old days the wood was strong enough to support bricks. The wall itswlf is an external end of house (detached) wall, bottom floor. So do they normally a one continuous lintel or both houses have separate lintels. I am putting some blinds up and need to drill into a solid steel lintel. if the 47kN lintel is up to its capacity and spanned say 3m. 1 - 210x100x1800 lintel how I originally wanted flat side down (need to be absolutely sure it will be the right way to take stress of weight above) 2 - make opening in front face of bricks above lintel and locate stack. 2m. Even composite ones with a single bar in the centre or neutral plane can have a rough top as a key for the brickwork. And, the bricks above that lintel are going to likely fall oot too so will need rebuilding after the new lintel has been put in. I plan to put L10 IG Steel Lintels in, with a span of 1500mm and 2400mm (includes 150mm overhang at each end) which will carry approx 2-3 courses of brick. The lintel is only their to create the correct size opening for the fire in front of the gas back boiler. btw, to get the 6" height you will need two p/s lintels (one on top of the other). Remove the windows and put a Catnic steel lintel in place making sure that there will be enough support on the left and right. 3m span is on your lintel that is 1. Step 2 - install lintel and place props and strongboys wait 5 days for mortar to set. 4. Anyway it cost me £180 to have one installed and they used props to hold up brickwork. #2. The membrane/cavity box directs the water to the outside via trickle vents. You have to accommodate shear rings and you must assure that the cover of concrete is a minimum of 25mm and the shear rings are 10mm so part the steel 25mm to allow for stone to pass in the mix and your beam is as strong as it can get. If the screw is extremely tight to wind in, it maybe to large for the pilot hole and could snap if this is the case. Lintels are designed to support masonry above an opening, whether it be filled with a window, door frame or nothing at all. Also fitted a lintel a lot bigger than the wooden lintel. Nowadays they are often pre-stressed in the neutral plane. BuilderMCR, Feb 12, 2014. Any ideas please? fred812, Jun 18, 2021. It's not just a question of replacing the lintel either. VAT) prestressed concrete lintel. Some look like they’ve been repaired previously but now have hairline cracks again. ProDave New Member. sandbags89, Aug 29, 2023. Even allowing for the dodgy brickwork/bits of. Obviously a decent HSS bit is essential 5 or 6mm (any recommedcations, I normally use dewalt) nice and slow as I. Bob Rathbone, May 7, 2023. Click to expand. The stone lintel could be removed and repaired with threaded rods through from left to right, tighten the nuts and pull the lintel back together, re fit the lintel as decoration only. 01. Thread by: senlim , Mar 16, 2023 , 1 replies, in forum: Builders' TalkA prestressing process gives the concrete lintel a high strength to section ratio, minimizing costs and making for safer manual handling. . = 282. This method takes minutes - lintels and 2 pours takes hours!Hi I have a small room on the front of our house which has has what looks like two lintels put in, however I wanted to put a stud wall in attaching the head bar to one of the lintels. The wall was a double skin wall, originally the external wall to the house and therefore load bearing. rogerk101 Screwfix Select. Home Forums > Screwfix Community Forum > Builders' Talk > Opening fireplace - lintels. The lintel is bowing slightly in the middle (measured to be 12mm lower in the middle than at the edges). Home Forums > Screwfix Community Forum > Builders' Talk > lintel above window. The lintel above one of the upper floor windowes is looking less than great but I don't know how bad really. So the lintel really just prevents that first brick dropping out, which could rapidly lead to others following and the 'breaking' of the 'arch' and total collapse. Discussion in 'Builders' Talk' started by Jugs69, May 30, 2020. Now have upvc windows. Order online at Screwfix. com. I’ve got a solid brick wall at around 350mm thickness with an opening of 2. fix the redwood to the wall with the fixings at either side of the lintel, and then fix the curtain pole to the redwood. Jord86, Aug 29, 2022. Maybe concrete padstones will be required here. It can do, depending on the age of the building. i am planning on rebuilding a calssic car and would like to make this a single opening door. Click and Collect is available or enjoy free UK delivery on selected orders over £150 ex VAT. I got 4 painted steel lintels replaced at my house with galvanised ones. pdf (stressline. You should be able to get an unequal 1/2" thick angle iron, perhaps 125mm high (it's an old house, so 5") and 50mm - 75mm deep (2 - 3"). All you see is the steel lip and then the bricks. stevie22 Screwfix Select. There has obviously been a timber lintel there before the pvc cowboys came along and fitted the existing door. Catnic do a variety of heavy duty lintels, but at the top end of extreme duty are around £500-£600 for that span. You need an S/E to calculate the new lintel ( structural works ) which will carry the loads. Thread by: Slinksta , Jan 7, 2023 , 9 replies, in forum: Builders' Talk Thread A prestressing process gives the concrete lintel a high strength to section ratio, minimizing costs and making for safer manual handling. 6m lintel (assuming clear span of 3. . Hi can anyone suggest how to fit upvc fascia board to this sandstone lintel i was thinking of just no more nails some sort of wooden subframe I've got. I’m about to put a new opening in my 1960’s bungalow for a new window. I understand the loading to be 1. 5kn. The wall ia load bearing for the floor joists above and a wall which itself is not load bearing. The chimney is now completely out and supported in the loft but the. A concrete lintel is by far the best way to go. The builder cleaned the bricks and mortar around the new lintels with brick cleaner to help disguise the work done on the house. Little bit confused about the amount of choice regarding concrete lintels. as it's not only the lintel that has suffered. As you can see there is a metal lintel above the doorway and it’s bedded into the wall I’m not removing and also laid on top of the lintel for the other doorway. I would have expected to use accro props with strong bows min of 3 for the big one. This lintel will be re used for one window. I looked at the wall,at the end of the lintel and discovers it to be soft so upon pushing the plaster off,behind it was newspaper Which I pulled out and it left a. Metal Wall Plugs. Either way it’ll need a good SE to make sure. I am planning to make my own concrete lintels for above a garage door, door width is 2200mm so planning the lintel length at 3000mm. Home Forums > Screwfix Community Forum > Builders' Talk > Steel Lintel. You’re not the source at all mate, sorry for souring your thread, ask away all you like. looks like a flat steel plate, so my questions are this has been installed for years and years as we are looking at installing a log burner. For the sake of a bit of extra work and sorting that mess out just hire a couple of size 0 acrows, a couple of strongboys, stitch drill the mortar bed joint and bang them in above the higher lintel, remove all the cack underneath that's not needed and insert a new lintel once the brickwork is tidied up. But really best to check with BCO who’s going to sign. Before i proceed - and make a bigger hole (50mm) - can anyone help me understand what might have been preventing the first pilot hole (i'm assuming some hidden lintel) just to help me picture what's embedded in the cavity and how best to position my larger hole to avoid it. Support bracket for removal of internal chimney breast. Retract the bit every 10 seconds to remove debris from the hole. com. trowel New Member. 35kg/m2. Many thanks - JED. You've done structural work so BC should have an involvement. So you need to find a steel stockholders / fabricators (London's not my area - sorry) and ask them for 2 n. Pack in mortar tightly all around. Yes it all may collapse down when you take out the old lintel especially if the load above has been big enough to cause the original damage, Try googling replacing lintel for more guidance, ( Unless you intend to takeout a triangular area of brickwork above the existing lintel so that there is no load actually acting on the lintel) Last edited. All the windows have a concrete lintel as shown on the attached photos. Available in a variety of options. Just buy a small cheap one if you don't have one. Jord86 Screwfix Select. Step 1: is the lintel man enough to carry the loads? Step 2: install following manufacturers instructions to prop during brickwork as span > 1500. from $586 12 from. Explore our. Local merchants do a box section HD lintel with 50 kn UDL for about 40 quid. 2m. I'd rake that out a bit then fill with toupret masonry filler (powder and add water) masking tape around to keep tidy and protect window with hardboard or something. What is involved in changing the lintel if necessary. Discussion in 'Builders' Talk' started by Joe1985, Aug 9, 2021. In order to put in a fue thru a wall I need to cut out a 12 inch hole thru a 11 inch pre cast concrete wall, the type which looks like your rice cracker with air between the gravel, so no. There will only be 2 courses of concrete blocks above them then a steel profile sheet roof. So this was the main lintel over the garage span supporting the upper story. #2. They have become a little wobbly since the. On others there was a metal lintel such as a Dorman Long which sat partially over the inside concrete lintel and down over the frame carrying the brickwork and also forming a tray. 6m wide opening. Hi, Confused myself on regs (we are in Wales) for lintel overhang (bit that rests on block work), always thought was 150mm each end on new block work, builder put some lintels in today over a 900 wide window opening, the window is on first floor with a second floor to go above. PAGE 1 OF 2. 4kg/m = 364kg. I suppose option 2 makes it easier to get the lintel. ChrisLong Member. 2 = 2kN/m run of lintel so provided the lintel you are proposing quotes a Safe Working Load greater than this then all is good. So the lintel manufacturers are more likely the ones spreading such tosh. The old windows were wooden frame and aluminium. I am looking to put a concrete lintel above this which will support a single coarse of blocks and the flat roof. If the screw is extremely tight to wind in, it maybe to large for the pilot hole and could snap if this is the case. Above the garage door will be cladded with cement board rather than be load bearing like blocks. Screwfix Community Forum. Screwfix Community Forum. VAT) Supreme Prestressed Textured Concrete Lintel 100 x 100 x 1050 S10. stuart44 Screwfix Select. Next day pack gap with slate and remove acrow. Fixings not included. I am building a concrete workshop which will have a doorway 1. All the pressure needs to be down not forwards or back. Our engineer specified a PCC lintel for use where the downstairs wall supports a glulam beam, that's in turn taking the upstairs floor joists. This is why is quite important to drill a pilot hole 1mm less than the screw to get a good fixing. Use 75mm/3" screws, use a combination drill, a 6mm HSS twist drill bit to drill through the lintel, then a 6mm masonry bit or you may need a 6mm SDS bit with accompanying drill if the wall is concrete block as the normal masonry. Screwfix Community Forum. So it is one of their lightweight ranges. Above my lintels in my new extension, would you advise fitting Weep Ventilators along the lintel (or "Peep" Weeps Ventilators)? If so, what should the spacing between them be - I have a 1200 opening and a 1800 opening (lintels are 1500 and 2100 respectively). forever i said! I'm hear all week! Major Mal Funxion, Jun 26, 2008 #1. This is why is quite important to drill a pilot hole 1mm less than the screw to get a good fixing. There is a lintel above the window supporting one course of blocks. What would be the name of the lintel i. Extra strong. Wayners Screwfix Select. However, our builder feels that this is overkill and a conventional H beam steel lintol is adequate. Screwfix Community Forum. If you really want to be safe then when you come to replace the windows you get a structural engineer in first. 8 m wide. Good morning. Infill insulation and plasterboard. Jord86 Screwfix Select. The rules as I understand them is a lintel up to 1200mm can have a 100mm bearing, longer than that and it's 150mm min. Severntrent Screwfix Select 600 long x 215 deep lintel at a guess, width 100? ask the SE and tell him not to be so lazy, Doesn't give a load rating, lazy again?Well weather was ok so cracked on outside. But guess main question is does it matter, is there a gap above where the frame of the doors will go, with a metal lintel like that was expecting it to be dead flat especially as second storey still to go: Easier to see in this picture, if I put a long level over at front then rocks on the bend although quite hard to see in picture:Order online at Screwfix. However, there is no bowing of the lintel above the window or any issues with the external masonry. There is a very small area of the wooden lintel that seems damp and soft (see the left of. D. I would have expected to use accro props with strong bows min of 3 for the big one. You can then remove the infill below back to the opening and rebuild properly. #15.